NEILY, Costa Rica — After being deported from the U.S. with his wife and 6-year-old son, German Smirnov, a Russian national, is being held at a migrant camp in the Central American country.

Costa Rican Border Police agents patrolling in a rainforest. Costa Rica is one of the only countries in Latin America without a military.Credit... Supported by By Maria Abi-Habib Photographs by ...